AQSQID: 550790056

Site Name: Milwaukee College Ave.-Nr

Location: Milwaukee (N-S Fwy), WI

Reporting: True, Located: True

Current AQI: 76.0

Milwaukee (N-S Fwy) WI, US: 42.93257, -87.93434

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 14, 2019, 2 p.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A N/A N/A 14.4 μg/m3 (55) 55.0
 
Feb. 14, 2019, 1 p.m. N/A N/A N/A 35.0 ppb (32) N/A N/A N/A 0.59 ppb (7) N/A 16.5 μg/m3 (60) 60.0
 
Feb. 14, 2019, noon N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 0.4 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Feb. 14, 2019, 11 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.31 ppb (3) N/A 13.7 μg/m3 (54) 54.0
 
Feb. 14, 2019, 10 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A N/A 0.29 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Feb. 14, 2019, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.25 ppb (3) N/A 13.7 μg/m3 (54) 54.0
 
Feb. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (57) 57.0
 
Feb. 14, 2019, 7 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 0.3 ppb (3) N/A 18.5 μg/m3 (64) 64.0
 
Feb. 14, 2019, 6 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.27 ppb (3) N/A 19.0 μg/m3 (65) 65.0
 
Feb. 14, 2019, 5 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.33 ppb (4) N/A 18.6 μg/m3 (64) 64.0
 
Feb. 14, 2019, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.27 ppb (3) N/A 17.5 μg/m3 (62) 62.0
 
Feb. 14, 2019, 3 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.27 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
Feb. 14, 2019, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.25 ppb (3) N/A 14.6 μg/m3 (56) 56.0
 
Feb. 14, 2019, 1 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.28 ppb (3) N/A 13.2 μg/m3 (53) 53.0
 
Feb. 14, 2019, midnight N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.29 ppb (3) N/A 12.9 μg/m3 (52) 52.0
 
Feb. 13, 2019, 11 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.41 ppb (5) N/A 12.8 μg/m3 (52) 52.0
 
Feb. 13, 2019, 10 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.46 ppb (5) N/A 13.8 μg/m3 (54) 54.0
 
Feb. 13, 2019, 9 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.35 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Feb. 13, 2019, 8 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.24 ppb (3) N/A 12.3 μg/m3 (51) 51.0
 
Feb. 13, 2019, 7 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.23 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
Feb. 13, 2019, 6 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.24 ppb (3) N/A 12.3 μg/m3 (51) 51.0
 
Feb. 13, 2019, 5 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.25 ppb (3) N/A 10.6 μg/m3 (44) 44.0
 
Feb. 13, 2019, 4 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.22 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
Feb. 13, 2019, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.24 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
Feb. 13, 2019, 2 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.24 ppb (3) N/A 8.7 μg/m3 (36) 36.0
 
Feb. 13, 2019, 1 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.28 ppb (3) N/A 9.2 μg/m3 (38) 38.0
 
Feb. 13, 2019, noon N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.24 ppb (3) N/A 8.5 μg/m3 (35) 35.0
 
Feb. 13, 2019, 11 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.18 ppb (2) N/A 2.9 μg/m3 (12) 12.0
 
Feb. 13, 2019, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A 2.7 μg/m3 (11) 11.0
 
Feb. 13, 2019, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A 2.5 μg/m3 (10) 10.0
 
Feb. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
Feb. 13, 2019, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A 3.5 μg/m3 (15) 15.0
 
Feb. 13, 2019, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 3.8 μg/m3 (16) 16.0
 
Feb. 13, 2019, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
Feb. 13, 2019, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Feb. 13, 2019, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 4.8 μg/m3 (20) 20.0
 
Feb. 13, 2019, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
Feb. 13, 2019, 1 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Feb. 13, 2019, midnight N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.23 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
Feb. 12, 2019, 11 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.26 ppb (3) N/A 7.8 μg/m3 (32) 32.0
 
Feb. 12, 2019, 10 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.33 ppb (4) N/A 11.4 μg/m3 (48) 48.0
 
Feb. 12, 2019, 9 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.47 ppb (5) N/A 13.7 μg/m3 (54) 54.0
 
Feb. 12, 2019, 8 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.48 ppb (5) N/A 13.4 μg/m3 (53) 53.0
 
Feb. 12, 2019, 7 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.49 ppb (5) N/A 13.3 μg/m3 (53) 53.0
 
Feb. 12, 2019, 6 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.35 ppb (4) N/A 7.1 μg/m3 (30) 30.0
 
Feb. 12, 2019, 5 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Feb. 12, 2019, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.27 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
Feb. 12, 2019, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.3 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
Feb. 12, 2019, 2 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.29 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Feb. 12, 2019, 1 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.35 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
Feb. 12, 2019, noon N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.28 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Feb. 12, 2019, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A 8.2 μg/m3 (34) 34.0
 
Feb. 12, 2019, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 8.3 μg/m3 (35) 35.0
 
Feb. 12, 2019, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 8.7 μg/m3 (36) 36.0
 
Feb. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (42) 42.0
 
Feb. 12, 2019, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 12.1 μg/m3 (50) 50.0
 
Feb. 12, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 14.6 μg/m3 (56) 56.0
 
Feb. 12, 2019, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 17.5 μg/m3 (62) 62.0
 
Feb. 12, 2019, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 20.5 μg/m3 (68) 68.0
 
Feb. 12, 2019, 3 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 20.0 μg/m3 (67) 67.0
 
Feb. 12, 2019, 2 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 20.0 μg/m3 (67) 67.0
 
Feb. 12, 2019, 1 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 21.0 μg/m3 (69) 69.0
 
Feb. 12, 2019, midnight N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 20.7 μg/m3 (69) 69.0
 
Feb. 11, 2019, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 20.2 μg/m3 (67) 67.0
 
Feb. 11, 2019, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 19.0 μg/m3 (65) 65.0
 
Feb. 11, 2019, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.26 ppb (3) N/A 19.1 μg/m3 (65) 65.0
 
Feb. 11, 2019, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.26 ppb (3) N/A 19.0 μg/m3 (65) 65.0
 
Feb. 11, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 18.6 μg/m3 (64) 64.0
 
Feb. 11, 2019, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
Feb. 11, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 15.4 μg/m3 (57) 57.0
 
Feb. 11, 2019, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 14.7 μg/m3 (56) 56.0
 
Feb. 11, 2019, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 13.4 μg/m3 (53) 53.0
 
Feb. 11, 2019, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Feb. 11, 2019, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 13.2 μg/m3 (53) 53.0
 
Feb. 11, 2019, noon N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.27 ppb (3) N/A 14.3 μg/m3 (55) 55.0
 
Feb. 11, 2019, 11 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.25 ppb (3) N/A 14.7 μg/m3 (56) 56.0
 
Feb. 11, 2019, 10 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.26 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
Feb. 11, 2019, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.28 ppb (3) N/A 17.2 μg/m3 (61) 61.0
 
Feb. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (65) 65.0
 
Feb. 11, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.24 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Feb. 11, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 14.7 μg/m3 (56) 56.0
 
Feb. 11, 2019, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
Feb. 11, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 14.8 μg/m3 (56) 56.0
 
Feb. 11, 2019, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.24 ppb (3) N/A 14.3 μg/m3 (55) 55.0
 
Feb. 11, 2019, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 14.7 μg/m3 (56) 56.0
 
Feb. 11, 2019, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 14.4 μg/m3 (55) 55.0
 
Feb. 11, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Feb. 10, 2019, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Feb. 10, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 11.8 μg/m3 (49) 49.0
 
Feb. 10, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A 12.5 μg/m3 (51) 51.0
 
Feb. 10, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 14.2 μg/m3 (55) 55.0
 
Feb. 10, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
Feb. 10, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 15.9 μg/m3 (58) 58.0
 
Feb. 10, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.22 ppb (2) N/A 15.6 μg/m3 (58) 58.0
 
Feb. 10, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 16.4 μg/m3 (59) 59.0
 
Feb. 10, 2019, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 16.4 μg/m3 (59) 59.0
 
Feb. 10, 2019, 2 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 15.5 μg/m3 (57) 57.0
 
Feb. 10, 2019, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.26 ppb (3) N/A 15.3 μg/m3 (57) 57.0
 
Feb. 10, 2019, noon N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.23 ppb (3) N/A 14.2 μg/m3 (55) 55.0
 
Feb. 10, 2019, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 13.1 μg/m3 (52) 52.0
 
Feb. 10, 2019, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 11.5 μg/m3 (48) 48.0
 
Feb. 10, 2019, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 10.3 μg/m3 (43) 43.0
 
Feb. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (40) 40.0
 
Feb. 10, 2019, 7 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.36 ppb (4) N/A 11.3 μg/m3 (47) 47.0
 
Feb. 10, 2019, 6 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.38 ppb (4) N/A 10.5 μg/m3 (44) 44.0
 
Feb. 10, 2019, 5 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.49 ppb (5) N/A 10.2 μg/m3 (42) 42.0
 
Feb. 10, 2019, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.32 ppb (4) N/A 9.2 μg/m3 (38) 38.0
 
Feb. 10, 2019, 3 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.29 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
Feb. 10, 2019, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.22 ppb (2) N/A 5.8 μg/m3 (24) 24.0
 
Feb. 10, 2019, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
Feb. 10, 2019, midnight N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Feb. 9, 2019, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
Feb. 9, 2019, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
Feb. 9, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
Feb. 9, 2019, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
Feb. 9, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
Feb. 9, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.26 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Feb. 9, 2019, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
Feb. 9, 2019, 4 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.31 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
Feb. 9, 2019, 3 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.36 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
Feb. 9, 2019, 2 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.36 ppb (4) N/A 7.2 μg/m3 (30) 30.0
 
Feb. 9, 2019, 1 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.33 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
Feb. 9, 2019, noon N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 9, 2019, 11 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.27 ppb (3) N/A 5.6 μg/m3 (23) 23.0
 
Feb. 9, 2019, 10 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.21 ppb (2) N/A 4.9 μg/m3 (20) 20.0
 
Feb. 9, 2019, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.22 ppb (2) N/A 4.6 μg/m3 (19) 19.0
 
Feb. 9, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
Feb. 9, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
Feb. 9, 2019, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.21 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
Feb. 9, 2019, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.22 ppb (2) N/A 4.8 μg/m3 (20) 20.0
 
Feb. 9, 2019, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.24 ppb (3) N/A 4.6 μg/m3 (19) 19.0
 
Feb. 9, 2019, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Feb. 9, 2019, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.26 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
Feb. 9, 2019, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.24 ppb (3) N/A 5.6 μg/m3 (23) 23.0
 
Feb. 9, 2019, midnight N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.26 ppb (3) N/A 5.8 μg/m3 (24) 24.0
 
Feb. 8, 2019, 11 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.3 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
Feb. 8, 2019, 10 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 5.3 μg/m3 (22) 22.0
 
Feb. 8, 2019, 9 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.29 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Feb. 8, 2019, 8 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 8, 2019, 7 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.25 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Feb. 8, 2019, 6 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.21 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Feb. 8, 2019, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.19 ppb (2) N/A 5.8 μg/m3 (24) 24.0
 
Feb. 8, 2019, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.19 ppb (2) N/A 6.3 μg/m3 (26) 26.0
 
Feb. 8, 2019, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Feb. 8, 2019, 2 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.23 ppb (3) N/A 6.1 μg/m3 (25) 25.0
 
Feb. 8, 2019, 1 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.28 ppb (3) N/A 5.3 μg/m3 (22) 22.0
 
Feb. 8, 2019, noon N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A 5.8 μg/m3 (24) 24.0
 
Feb. 8, 2019, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.19 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Feb. 8, 2019, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.16 ppb (2) N/A 5.8 μg/m3 (24) 24.0
 
Feb. 8, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.14 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Feb. 8, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (21) 21.0
 
Feb. 8, 2019, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
Feb. 8, 2019, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Feb. 8, 2019, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
Feb. 8, 2019, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (2) N/A 5.2 μg/m3 (22) 22.0
 
Feb. 8, 2019, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Feb. 8, 2019, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 4.9 μg/m3 (20) 20.0
 
Feb. 8, 2019, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 8, 2019, midnight N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 5.3 μg/m3 (22) 22.0
 
Feb. 7, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.28 ppb (3) N/A 4.4 μg/m3 (18) 18.0
 
Feb. 7, 2019, 10 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.33 ppb (4) N/A 3.2 μg/m3 (13) 13.0
 
Feb. 7, 2019, 9 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.42 ppb (5) N/A 3.2 μg/m3 (13) 13.0
 
Feb. 7, 2019, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.4 ppb (4) N/A 3.6 μg/m3 (15) 15.0
 
Feb. 7, 2019, 7 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 3.3 μg/m3 (14) 14.0
 
Feb. 7, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.29 ppb (3) N/A 2.9 μg/m3 (12) 12.0
 
Feb. 7, 2019, 5 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Feb. 7, 2019, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
Feb. 7, 2019, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.27 ppb (3) N/A 5.2 μg/m3 (22) 22.0